MBP with external monitor problem

Discussion in 'MacBook Pro' started by Mac Head, Oct 6, 2010.

  1. Mac Head macrumors member

    Joined:
    Mar 8, 2009
    #1
    Hi I'm connecting an external monitor to my macbook pro and am experiencing regular vertical lines throughout the external screen.
    I've tried DVI-D and VGA. I've tried changing resolutions. I have taken a screen shot of the monitor but this screen shot shows a clear image.

    Attached is a picture of what it looks like. Hard to spot as taken with my isight. (Ignore the cable hanging down).

    Please help me out!

    Thanks
     

    Attached Files:

  2. Mac Head thread starter macrumors member

    Joined:
    Mar 8, 2009
  3. Mac Head thread starter macrumors member

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    Mar 8, 2009
    #4
    60Hz
    this the only option at full resolution

    thanks
     
  4. Mac Head thread starter macrumors member

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    Mar 8, 2009
  5. Stvwndr219 macrumors 6502

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    Jan 26, 2009
    #6
    What version of the mbp do you have? Could be the graphics card going? Or soemthing buggy with the DVI port?
     
  6. Mac Head thread starter macrumors member

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    Mar 8, 2009
    #7
    Hey, thanks for the reply. I'm using a MBP 13" Mid 2009. 2.26ghz. Running the latest OS.
     
  7. Mac Head thread starter macrumors member

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    Mar 8, 2009
    #8
    Are you sure it's the graphics card, because I took a screen capture of the external monitor, and that screen capture seemed okay, so surely what the graphics card is outputting is fine? Hopefully I'm wrong, because I really like this monitor!
     
  8. Stvwndr219 macrumors 6502

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    Jan 26, 2009
    #9
    Hmmm, what monitor is it. It's likely not the entire GPU then - could be the mini-DP (i think that's what the macbooks have) or the cable or the converter. I would check all your connections first, then move the monitor to another computer and see if it gets the same results and from there -

    IF Monitor is good on another computer with same cable:
    - Likely an error either with adapter/cable or video slot on MB

    IF Monitor is bad on another computer:
    - The monitor is toast

    Hope this helps!
     
  9. devilstrider macrumors 6502a

    Joined:
    May 12, 2010
    #10
    My new MBP does this as well. It's a dual screen setup. I opened a app and dragged it off the right side of the MBP screen and it showed up on my monitor
     
  10. Mac Head thread starter macrumors member

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    Mar 8, 2009
    #11
    After testing with another computer, the display is exhibiting the same issue described above. HELP!
     
  11. Stvwndr219 macrumors 6502

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    Jan 26, 2009
    #12
    Can you test with a different cable on that other computer? It seems it may be a monitor issue - what monitor is it?
     
  12. Mac Head thread starter macrumors member

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    Mar 8, 2009
    #13
    LG Flatron W2442PA. All tested with variety of cables.
     
  13. Mac Head thread starter macrumors member

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    Mar 8, 2009
    #14
    Is the monitor done for? Anyway to fix this?
    Calling all monitor pros!!!
     
  14. devilstrider macrumors 6502a

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    May 12, 2010
  15. Mac Head thread starter macrumors member

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    Mar 8, 2009
    #16
    No offence mate but I don't think you really understood the issue I'm having.
    I know what a dual screen set up is. I'm having issues with the actual display. Thanks for your help anyway.
     
  16. Mac Head thread starter macrumors member

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    Mar 8, 2009
  17. devilstrider macrumors 6502a

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    May 12, 2010
    #18
    Oh ok I see it. Mine does not do that.
     

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